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Atlantoaxial Instability  

Posted bythespinebookadminApril 4, 2022Posted inTopics, Trauma

Background 

  • Degen 
    • Downs 
    • RA 
    • Os odonteium 
    • Morquio 
  • Traumatic 
    • Atlas 
    • TL injury 

Radiographs 

  • ADI – <3mm adults <5mm children 
  • PADI (SAC) – =  or > 14mm (<14 is an issue) 
  • LM displacement (sum of overhang) – 8.1mm 
Posted bythespinebookadminApril 4, 2022Posted inTopics, Trauma

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